Year % of total population ages 15+ (national estimate) 1961 51.67 1971 48.22 1977 50.05 1978 49.78 1979 50 1980 50.11 1981 50.39 1982 49.88 1983 53.312 1984 53.235 1985 53.338 1986 53.819 1987 53.69 1988 53.958 1989 53.848 1990 53.75 1991 54.518 1992 52.616 1993 52.032 1994 51.414 1995 50.969 1996 51.253 1997 51.47 1998 51.983 1999 52.433 2000 52.707 2001 53.021 2002 53.666 2003 54.196 2004 55.08 2005 54.623 2006 54.759 2007 54.557 2008 55.057 2009 54.478 2010 54.295 2011 54.367 2012 55.533 2013 55.327 2014 55.773 2015 55.861 2016 56.621 2017 57.108 2018 57.305 2019 57.332 2020 55.797 2021 55.934 2022 56.779 2023 49.872